Products > Test Equipment
REVIEW - Rigol DS2072 - First Impressions of the DS2000 series from Rigol
Carrington:
How many hardware versions are up to date?
marmad:
--- Quote from: Carrington on July 03, 2013, 07:15:55 pm ---Shortly after buying my SDS8102V was discovered the noise problem (HW).
And now that I've bought a DS2072 if it appears that also has a hardware fault then ... :o :rant: |O
--- End quote ---
::) I hardly think it's the end of the world. My Tektronix analog scope doesn't even have coupling choices for the trigger - and I can't say I've ever used AC-coupling for the trigger on a DSO yet.
Carrington:
Yes you're right, "I hardly think it's the end of the world."
Only I wish it was not a hardware failure.
If it is, do not want to jinx myself, but lately everything goes wrong.
Let us trust in the experience Rigol.
marmad:
--- Quote from: Carrington on July 03, 2013, 09:12:51 pm ---If you're right, "I hardly think it's the end of the world."
Only I wish it was not a hardware failure.
If it is, do not want to jinx myself, but lately everything goes wrong.
Let us trust in the experience Rigol.
--- End quote ---
I've been using my DS2000 happily for over 8 months with absolutely zero regrets and only minor problems.
Carrington:
Anyone have an image of the input stage of a DS2072?
To compare with this (DS2202):
http://www.flickr.com/photos/eevblog/8022205124/#in/photostream/lightbox/
SMD Marking:
6U -> MMBFJ309, N-Chanel RF Amplifier.
3E -> MMBTH10, NPN RF.
1B -> BC846, NPN.
JY -> BAV199, low leakage double diode.
B7A -> AD8510
Would be very interesting see the frequency response until the input of the LMH6518. And a schematic of the entire input stage would also be great.
If there are "common desing HW" (inherited) between the DS2072 and DS1052E, then I want to believe that this failure is not due to hardware. :)
http://elinux.org/images/c/c6/Das_oszi_schematic.pdf
https://www.eevblog.com/forum/blog/eevblog-360-rigol-ds2000-oscilloscope-teardown/120/
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